| Vendor | Spec | Unit | Price | Currency | Date |
| Yangmei Shouyang Chem | Polyester Resin Grade | MT | 618.6 | USD | 20250920 |
| Qingdao Shengze Chem | China national standards | MT | 541.28 | USD | 20250920 |
| Shandong Hualu | Polyester Resin Grade | MT | 541.28 | USD | 20250920 |
| Qingdao Shengze Chem | China national standards | MT | 541.28 | USD | 20250920 |
| Qingdao Shengze Chem | Polyester Grade | MT | 541.28 | USD | 20250920 |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.19 | USD | 20250920 |
| Beijing Yanshan Petro | China national standards | MT | 520.19 | USD | 20250920 |
| Shandong Hualu | Industrial Grade | MT | 674.84 | USD | 20250920 |
| Jinan Dezheng Chem | China national standards | MT | 541.28 | USD | 20250920 |
| Jinan Dezheng Chem | China national standards | MT | 541.28 | USD | 20250920 |